AMD Radeon HD 7950 vs NVIDIA GeForce GTS 450

VS

AMD Radeon HD 7950

NVIDIA GeForce GTS 450

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 1024MB VRAM GeForce GTS 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 1 years and 4 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 57.73GB/s)

1600 additional rendering cores

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +377%

2.867 TFLOPS

GeForce GTS 450

0.601 TFLOPS

Radeon HD 7950

VS

GeForce GTS 450

Graphics Card

Jan 2012

Release Date

Sep 2010

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

902 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

57.73GB/s

Render Config

28

Compute Units

-

SM Count

4

1792

Shading Units

192

112

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

6.264 GPixel/s

89.60 GTexel/s

Texture Rate

25.06 GTexel/s

-

2.867 TFLOPS

FP32 (float)

601.3 GFLOPS

716.8 GFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

200W

TDP

106W

550 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

GF106

Tahiti PRO (215-0821056)

GPU Variant

GF106-250-KA-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.17 billion

352 mm²

Die Size

238 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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