Radeon R9 270X vs Radeon HD 7870 GHz

Radeon R9 270X
Radeon HD 7870 GHz
1280 Shaders
2GB GDDR5
1050MHz
1280 Shaders
2GB GDDR5
1000MHz
FP32
2.69 TFLOPS
FP32
2.56 TFLOPS
-
-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
180W
TDP
175W
Power Connectors
2x 6-Pin
-
-
-
Power Connectors
2x 6-Pin
-
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
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
Pitcairn
-
Variant
Curacao XT
Codename
Pitcairn
-
Variant
Pitcairn XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/8/2013
Release Date
3/5/2012
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
-
Die Size
212 mm²
-
Die Size
212 mm²
-
Transistor Count
2.8 Billion
-
Transistor Count
2.8 Billion
-
Transistor Density
13.21M/mm²
-
Transistor Density
13.21M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
1280 Shaders
-
Shading Units
1280 Shaders
-
Texture Mapping Units
80 TMUs
Texture Mapping Units
80 TMUs
Render Output Units
32 ROPs
Render Output Units
32 ROPs
-
-
-
-
-
-
-
-
-
-
-
-
Compute Units
20 CUs
Compute Units
20 CUs
-
-
-
-
-
-
-
-
-
-
1000MHz Base
1050MHz
-
-
-
1000MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
2.69 TFLOPS
FP32
2.56 TFLOPS
-
-
-
-
FP64
0.17 TFLOPS
-
FP64
0.16 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
33.6 GPixel/s
Pixel Fillrate
32 GPixel/s
-
-
-
-
Texture Fillrate
84 GTexel/s
Texture Fillrate
80 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
16KB/CU
-
L2
512KB Shared
L2
512KB Shared
-
-
-
-
-
-
2GB
GDDR5
-
2GB
GDDR5
-
Bus Width
256Bit
Bus Width
256Bit
Clock
1400MHz
Transfer Rate
5.6GT/s
Bandwidth
179.2GB/s
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
153.6GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
180W
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
Variable Refresh Rate
-
-
-
Variable Refresh Rate
-
-
-
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
-
-
2x 6-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
2-way CrossFireX
Multi GPU Support
Supported
Type
2-way CrossFireX
-
-
-
-
-
-
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
37 mm (1.46 in)
Change Results