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GPU Comparison
ATI FirePro V7800P vs ATI Radeon HD 4855
ATI FirePro V7800P vs ATI Radeon HD 4855
VS
ATI FirePro V7800P
ATI Radeon HD 4855
We compared two Desktop platform GPUs: 2GB VRAM FirePro V7800P and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI FirePro V7800P 's Advantages
Released 1 years and 4 months late
Larger VRAM bandwidth (128.0GB/s vs 115.2GB/s)
800 additional rendering cores
ATI Radeon HD 4855 's Advantages
Lower TDP (110W vs 138W)
Score
Benchmark
FP32 (float)
FirePro V7800P
+173%
2.016 TFLOPS
Radeon HD 4855
0.736 TFLOPS
FirePro V7800P
VS
Radeon HD 4855
Graphics Card
May 2011
Release Date
Jan 2010
FirePro
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
128.0GB/s
Bandwidth
115.2GB/s
Render Config
-
SM Count
-
18
Compute Units
8
1440
Shading Units
640
72
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
22.40 GPixel/s
Pixel Rate
9.200 GPixel/s
50.40 GTexel/s
Texture Rate
18.40 GTexel/s
-
FP16 (half)
-
2.016 TFLOPS
FP32 (float)
736.0 GFLOPS
403.2 GFLOPS
FP64 (double)
147.2 GFLOPS
Graphics Processor
Cypress
GPU Name
RV770
Cypress PRO GL
GPU Variant
RV770 PRO (215-0669065)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.154 billion
Transistors
0.956 billion
334 mm²
Die Size
256 mm²
Board Design
138W
TDP
110W
300 W
Suggested PSU
300 W
1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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8
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9
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10
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