AMD Radeon HD 7870 GHz vs AMD Radeon R7 260X
AMD Radeon HD 7870 GHz
$350
AMD Radeon R7 260X
$139
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1280 Shaders
2GB GDDR5
1000MHz
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896 Shaders
1GB GDDR5
1100MHz
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Peak AI Performance
2.56 TFLOPS
FP32
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Peak AI Performance
1.97 TFLOPS
FP32
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FP32
2.56 TFLOPS
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FP32
1.97 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
175W
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TDP
115W
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Power Connectors
2x 6-Pin
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Power Connectors
1x 6-Pin
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Peak AI Performance
|
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Radeon HD 7870 GHz - 2.56 TFLOPS FP32
x1.3
Radeon R7 260X - 1.97 TFLOPS FP32
x1
FP32
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Radeon HD 7870 GHz - 2.56 TFLOPS FP32
x1.3
Radeon R7 260X - 1.97 TFLOPS FP32
x1
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Radeon HD 7870 GHz - 153.6GB/s
x1.48
Radeon R7 260X - 104GB/s
x1
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Radeon HD 7870 GHz - 175W
x1.52
Radeon R7 260X - 115W
x1
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Manufacturer
AMD
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Manufacturer
AMD
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Chip Designer
AMD
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Chip Designer
AMD
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Architecture
GCN 1
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Architecture
GCN 2
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Family
Radeon HD 7000
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Family
Radeon R 200
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Codename
Pitcairn
Variant
Pitcairn XT
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Codename
Bonaire
Variant
Bonaire XTX
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
3/5/2012
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Release Date
8/8/2013
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Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
212 mm²
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Die Size
160 mm²
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Transistor Count
2.8 Billion
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Transistor Count
2.1 Billion
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Transistor Density
13.21M/mm²
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Transistor Density
13.00M/mm²
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Form
PCIe Card
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Form
PCIe Card
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Shading Units
1280 Shaders
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Shading Units
896 Shaders
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Texture Mapping Units
80 TMUs
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Texture Mapping Units
56 TMUs
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Render Output Units
32 ROPs
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Render Output Units
16 ROPs
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Compute Units
20 CUs
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Compute Units
14 CUs
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1000MHz
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1100MHz
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Peak AI Performance
2.56 TFLOPS
FP32
|
Peak AI Performance
1.97 TFLOPS
FP32
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FP32
2.56 TFLOPS
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FP32
1.97 TFLOPS
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FP64
160 GFLOPS
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FP64
120 GFLOPS
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Pixel Fillrate
32 GPixel/s
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Pixel Fillrate
17.6 GPixel/s
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Texture Fillrate
80 GTexel/s
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Texture Fillrate
61.6 GTexel/s
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L1
16KB/CU
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L1
16KB/CU
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L2
512KB Shared
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L2
256KB Shared
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2GB
GDDR5
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1GB
GDDR5
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Bus Width
256Bit
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Bus Width
128Bit
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Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
153.6GB/s
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Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
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TDP
175W
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TDP
115W
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1x DVI-I Dual-Link
2x mini-DisplayPort 1.2
1x HDMI 1.4
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1x VGA
1x DVI-I Dual-Link
-
1x HDMI 1.4
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Max Resolution
4096x2160
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Max Resolution
4096x2160
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Max Resolution Refresh Rate
60Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
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Variable Refresh Rate
FreeSync
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Display Stream Compression (DSC)
Not Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
3
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Multi Monitor Support
3
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-
-
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Content Protection
HDCP 1.4
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Model
VCE 1.0
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Model
VCE 2.0
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Codec
AVC (H.264)
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Codec
AVC (H.264)
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Model
UVD 4.0
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Model
UVD 4.2
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Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
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Direct X
12
Direct 3D
11_1
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Direct X
12
Direct 3D
12_0
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
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Shader Model
6.5
GFX
6
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Shader Model
6.5
GFX
7
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1x Fan
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1x Fan
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Power Connectors
2x 6-Pin
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Power Connectors
1x 6-Pin
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
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Multi GPU Support
Supported
Type
2-way CrossFireX
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Multi GPU Support
Supported
Type
2-way CrossFireX
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Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
37 mm (1.46 in)
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