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GPU Comparison
NVIDIA GeForce GTS 450 vs ATI Radeon HD 2900 XTX
NVIDIA GeForce GTS 450 vs ATI Radeon HD 2900 XTX
VS
NVIDIA GeForce GTS 450
ATI Radeon HD 2900 XTX
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTS 450 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (106W vs 240W)
ATI Radeon HD 2900 XTX 's Advantages
Larger VRAM bandwidth (106.0GB/s vs 57.73GB/s)
128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTS 450
+26%
0.601 TFLOPS
Radeon HD 2900 XTX
0.476 TFLOPS
GeForce GTS 450
VS
Radeon HD 2900 XTX
Graphics Card
Sep 2010
Release Date
Unknown
GeForce 400
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
902 MHz
Memory Clock
828 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
512bit
57.73GB/s
Bandwidth
106.0GB/s
Render Config
4
SM Count
-
-
Compute Units
4
192
Shading Units
320
32
TMUs
16
16
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
-
256 KB
L2 Cache
256 KB
Theoretical Performance
6.264 GPixel/s
Pixel Rate
11.89 GPixel/s
25.06 GTexel/s
Texture Rate
11.89 GTexel/s
-
FP16 (half)
-
601.3 GFLOPS
FP32 (float)
475.5 GFLOPS
50.11 GFLOPS
FP64 (double)
-
Graphics Processor
GF106
GPU Name
R600
GF106-250-KA-A1
GPU Variant
R600 XTX A11 (215RGMDKA11FG)
Fermi
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
80 nm
1.17 billion
Transistors
0.72 billion
238 mm²
Die Size
420 mm²
Board Design
106W
TDP
240W
300 W
Suggested PSU
550 W
2x DVI 1x mini-HDMI 1.3a
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
2x 6-pin
Graphics Features
12 (11_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3 (full) 4.0 (partial)
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.0
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