AMD Radeon R9 280 vs AMD Radeon HD 7870 GHz

AMD Radeon R9 280 $249
AMD Radeon HD 7870 GHz $350
1792 Shaders
3GB GDDR5
933MHz
1280 Shaders
2GB GDDR5
1000MHz
Peak AI Performance
3.34 TFLOPS
FP32
Peak AI Performance
2.56 TFLOPS
FP32
FP32
3.34 TFLOPS
FP32
2.56 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
250W
TDP
175W
Power Connectors
1x 6-Pin
1x 8-Pin
Power Connectors
2x 6-Pin
-

Peak AI Performance

  • 30% faster vs Radeon HD 7870 GHz
  • 23% slower vs Radeon R9 280
Radeon R9 280 - 3.34 TFLOPS FP32
x1.3
Radeon HD 7870 GHz - 2.56 TFLOPS FP32
x1

FP32

  • 30% faster vs Radeon HD 7870 GHz
  • 23% slower vs Radeon R9 280
Radeon R9 280 - 3.34 TFLOPS FP32
x1.3
Radeon HD 7870 GHz - 2.56 TFLOPS FP32
x1
  • 56% faster vs Radeon HD 7870 GHz
  • 36% slower vs Radeon R9 280
Radeon R9 280 - 240GB/s
x1.56
Radeon HD 7870 GHz - 153.6GB/s
x1
  • 43% higher vs Radeon HD 7870 GHz
  • 30% lower vs Radeon R9 280
Radeon R9 280 - 250W
x1.43
Radeon HD 7870 GHz - 175W
x1
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 1
Architecture
GCN 1
Family
Radeon R 200
Family
Radeon HD 7000
Codename
Tahiti
Variant
Tahiti Pro
Codename
Pitcairn
Variant
Pitcairn XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/4/2014
Release Date
3/5/2012
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
352 mm²
Die Size
212 mm²
Transistor Count
4.3 Billion
Transistor Count
2.8 Billion
Transistor Density
12.25M/mm²
Transistor Density
13.21M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
1792 Shaders
Shading Units
1280 Shaders
Texture Mapping Units
112 TMUs
Texture Mapping Units
80 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
Compute Units
28 CUs
Compute Units
20 CUs
827MHz Base
933MHz
-
1000MHz
Peak AI Performance
3.34 TFLOPS
FP32
Peak AI Performance
2.56 TFLOPS
FP32
FP32
3.34 TFLOPS
FP32
2.56 TFLOPS
FP64
840 GFLOPS
FP64
160 GFLOPS
Pixel Fillrate
29.856 GPixel/s
Pixel Fillrate
32 GPixel/s
Texture Fillrate
104.496 GTexel/s
Texture Fillrate
80 GTexel/s
L1
16KB/CU
L1
16KB/CU
L2
768KB Shared
L2
512KB Shared
3GB
GDDR5
2GB
GDDR5
Bus Width
384Bit
Bus Width
256Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
240GB/s
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
153.6GB/s
TDP
250W
TDP
175W
1x DVI-I Dual-Link
1x DVI-D Dual-Link
-
1x DisplayPort 1.2
1x HDMI 1.4
1x DVI-I Dual-Link
-
2x mini-DisplayPort 1.2
-
1x HDMI 1.4
Max Resolution
4096x2160
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
Model
VCE 1.0
Model
VCE 1.0
Codec
AVC (H.264)
Codec
AVC (H.264)
Model
UVD 3.2
Model
UVD 4.0
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Direct X
12
Direct 3D
11_1
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
GFX
6
Shader Model
6.5
GFX
6
1x Fan
1x Fan
Power Connectors
1x 6-Pin
1x 8-Pin
Power Connectors
2x 6-Pin
-
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way CrossFireX
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
110 mm (4.33 in)
Width
275 mm (10.83 in)
Depth
36 mm (1.42 in)
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
37 mm (1.46 in)
Change Comparison