Home GPU Comparison ATI Radeon HD 2900 XT vs NVIDIA GeForce GTS 450 OEM

ATI Radeon HD 2900 XT vs NVIDIA GeForce GTS 450 OEM

ATI Radeon HD 2900 XT
VS
NVIDIA GeForce GTS 450 OEM
ATI Radeon HD 2900 XT
NVIDIA GeForce GTS 450 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 512MB VRAM GeForce GTS 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages
Larger VRAM bandwidth (106.0GB/s vs 57.73GB/s)
176 additional rendering cores
NVIDIA GeForce GTS 450 OEM 's Advantages
Released 3 years and 4 months late
Lower TDP (106W vs 215W)

Score

Benchmark

FP32 (float)
Radeon HD 2900 XT +5%
0.476 TFLOPS
GeForce GTS 450 OEM
0.451 TFLOPS
VS

Graphics Card

May 2007
Release Date
Sep 2010
Radeon R600
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
828 MHz
Memory Clock
902 MHz

Memory

512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
512bit
Memory Bus
128bit
106.0GB/s
Bandwidth
57.73GB/s

Render Config

4
Compute Units
-
-
SM Count
3
320
Shading Units
144
16
TMUs
24
16
ROPs
16
-
-
-
-
-
-
-
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

11.89 GPixel/s
Pixel Rate
4.698 GPixel/s
11.89 GTexel/s
Texture Rate
18.79 GTexel/s
-
-
-
475.5 GFLOPS
FP32 (float)
451.0 GFLOPS
-
FP64 (double)
37.58 GFLOPS

Board Design

215W
TDP
106W
550 W
Suggested PSU
300 W
2x DVI 1x S-Video
Outputs
1x DVI 1x DisplayPort 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

R600
GPU Name
GF106
R600 XT (215RGMDKA13FG)
GPU Variant
-
TeraScale
Architecture
Fermi
TSMC
Foundry
TSMC
80 nm
Process Size
40 nm
0.72 billion
Transistors
1.17 billion
420 mm²
Die Size
238 mm²

Graphics Features

10.0 (10_0)
DirectX
12 (11_0)
3.3 (full) 4.0 (partial)
OpenGL
4.6
N/A
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.0
Shader Model
5.1

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