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GPU Comparison
ATI Radeon HD 4855 vs ATI Radeon HD 5550
ATI Radeon HD 4855 vs ATI Radeon HD 5550
VS
ATI Radeon HD 4855
ATI Radeon HD 5550
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 512MB VRAM Radeon HD 5550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4855 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 51.20GB/s)
320 additional rendering cores
ATI Radeon HD 5550 's Advantages
Lower TDP (39W vs 110W)
Score
Benchmark
FP32 (float)
Radeon HD 4855
+109%
0.736 TFLOPS
Radeon HD 5550
0.352 TFLOPS
Radeon HD 4855
VS
Radeon HD 5550
Graphics Card
Jan 2010
Release Date
Feb 2010
Radeon R700
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
51.20GB/s
Render Config
-
SM Count
-
8
Compute Units
4
640
Shading Units
320
32
TMUs
16
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
9.200 GPixel/s
Pixel Rate
4.400 GPixel/s
18.40 GTexel/s
Texture Rate
8.800 GTexel/s
-
FP16 (half)
-
736.0 GFLOPS
FP32 (float)
352.0 GFLOPS
147.2 GFLOPS
FP64 (double)
-
Graphics Processor
RV770
GPU Name
Redwood
RV770 PRO (215-0669065)
GPU Variant
Redwood PRO2
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
0.627 billion
256 mm²
Die Size
104 mm²
Board Design
110W
TDP
39W
300 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
None
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
4.1
Shader Model
5.0
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9
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