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GPU Comparison
ATI Radeon HD 4855 vs NVIDIA GeForce GTS 450 Rev. 2
ATI Radeon HD 4855 vs NVIDIA GeForce GTS 450 Rev. 2
VS
ATI Radeon HD 4855
NVIDIA GeForce GTS 450 Rev. 2
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 1024MB VRAM GeForce GTS 450 Rev. 2 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 57.73GB/s)
448 additional rendering cores
NVIDIA GeForce GTS 450 Rev. 2 's Advantages
Released 1 years and 2 months late
More VRAM (1024GB vs 512GB)
Lower TDP (106W vs 110W)
Score
Benchmark
FP32 (float)
Radeon HD 4855
+22%
0.736 TFLOPS
GeForce GTS 450 Rev. 2
0.601 TFLOPS
Radeon HD 4855
VS
GeForce GTS 450 Rev. 2
Graphics Card
Jan 2010
Release Date
Mar 2011
Radeon R700
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
902 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
57.73GB/s
Render Config
-
SM Count
4
8
Compute Units
-
640
Shading Units
192
32
TMUs
32
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
Theoretical Performance
9.200 GPixel/s
Pixel Rate
6.264 GPixel/s
18.40 GTexel/s
Texture Rate
25.06 GTexel/s
-
FP16 (half)
-
736.0 GFLOPS
FP32 (float)
601.3 GFLOPS
147.2 GFLOPS
FP64 (double)
50.11 GFLOPS
Graphics Processor
RV770
GPU Name
GF116
RV770 PRO (215-0669065)
GPU Variant
GF116-200-KA-A1
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
1.17 billion
256 mm²
Die Size
238 mm²
Board Design
110W
TDP
106W
300 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
2x DVI 1x mini-HDMI 1.3a
1x 6-pin
Power Connectors
1x 6-pin
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.1
Shader Model
5.1
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