AMD Radeon R9 270X vs AMD Radeon HD 8870

AMD Radeon R9 270X $199
AMD Radeon HD 8870
1280 Shaders
2GB GDDR5
1050MHz
1280 Shaders
2GB GDDR5
1000MHz
Peak AI Performance
2.69 TFLOPS
FP32
Peak AI Performance
2.56 TFLOPS
FP32
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
150W
Power Connectors
2x 6-Pin
Power Connectors
2x 6-Pin

Peak AI Performance

  • 5% faster vs Radeon HD 8870
  • 5% slower vs Radeon R9 270X
Radeon R9 270X - 2.69 TFLOPS FP32
x1.05
Radeon HD 8870 - 2.56 TFLOPS FP32
x1

FP32

  • 5% faster vs Radeon HD 8870
  • 5% slower vs Radeon R9 270X
Radeon R9 270X - 2.69 TFLOPS FP32
x1.05
Radeon HD 8870 - 2.56 TFLOPS FP32
x1
  • 17% faster vs Radeon HD 8870
  • 14% slower vs Radeon R9 270X
Radeon R9 270X - 179.2GB/s
x1.17
Radeon HD 8870 - 153.6GB/s
x1
  • 20% higher vs Radeon HD 8870
  • 17% lower vs Radeon R9 270X
Radeon R9 270X - 180W
x1.2
Radeon HD 8870 - 150W
x1
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 1
Architecture
GCN 1
Family
Radeon R 200
Family
Radeon HD 8000
Codename
Pitcairn
Variant
Curacao XT
Codename
Pitcairn
Variant
Pitcairn XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/8/2013
Release Date
1/8/2013
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
Peak AI Performance
2.69 TFLOPS
FP32
Peak AI Performance
2.56 TFLOPS
FP32
FP32
2.69 TFLOPS
FP32
2.56 TFLOPS
FP64
170 GFLOPS
FP64
160 GFLOPS
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
150W
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
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 Comparison