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GPU Comparison
AMD Radeon HD 6870 vs ATI FirePro V8800
AMD Radeon HD 6870 vs ATI FirePro V8800
VS
AMD Radeon HD 6870
ATI FirePro V8800
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 2GB VRAM FirePro V8800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870 's Advantages
Released 6 months late
Lower TDP (151W vs 208W)
ATI FirePro V8800 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (147.2GB/s vs 134.4GB/s)
480 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6870
2.016 TFLOPS
FirePro V8800
+30%
2.64 TFLOPS
Radeon HD 6870
VS
FirePro V8800
Graphics Card
Oct 2010
Release Date
Apr 2010
Northern Islands
Generation
FirePro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1150 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
147.2GB/s
Render Config
-
SM Count
-
14
Compute Units
20
1120
Shading Units
1600
56
TMUs
80
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
26.40 GPixel/s
50.40 GTexel/s
Texture Rate
66.00 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
2.640 TFLOPS
-
FP64 (double)
528.0 GFLOPS
Graphics Processor
Barts
GPU Name
Cypress
Barts XT (215-0798000)
GPU Variant
Cypress XT GL
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
2.154 billion
255 mm²
Die Size
334 mm²
Board Design
151W
TDP
208W
450 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
4x DisplayPort 1.1 1x S-Video
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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