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GPU Comparison
AMD Radeon HD 6870 X2 vs AMD FirePro W7000
AMD Radeon HD 6870 X2 vs AMD FirePro W7000
VS
AMD Radeon HD 6870 X2
AMD FirePro W7000
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 4GB VRAM FirePro W7000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD FirePro W7000 's Advantages
Released 11 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 134.4GB/s)
160 additional rendering cores
Lower TDP (150W vs 300W)
Score
Benchmark
FP32 (float)
Radeon HD 6870 X2
2.016 TFLOPS
FirePro W7000
+20%
2.432 TFLOPS
Radeon HD 6870 X2
VS
FirePro W7000
Graphics Card
Jul 2011
Release Date
Jun 2012
Northern Islands
Generation
FirePro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1200 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
14
Compute Units
20
1120
Shading Units
1280
56
TMUs
80
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
30.40 GPixel/s
50.40 GTexel/s
Texture Rate
76.00 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
2.432 TFLOPS
-
FP64 (double)
152.0 GFLOPS
Graphics Processor
Barts
GPU Name
Pitcairn
Barts XT (215-0798000)
GPU Variant
Pitcairn XT GL (215-0828073)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
2.8 billion
255 mm²
Die Size
212 mm²
Board Design
300W
TDP
150W
700 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
4x DisplayPort 1.2
-
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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7
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8
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9
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10
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