GeForce GTS 450 vs Radeon HD 7950 Mac Edition

VS

NVIDIA GeForce GTS 450

AMD Radeon HD 7950 Mac Edition

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

Main Differences

GeForce GTS 450 Advantages

Lower TDP (106W vs 200W)

Radeon HD 7950 Mac Edition Advantages

Released 2 years and 6 months late

More VRAM (3GB vs 1024GB)

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

1600 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

601

Radeon HD 7950 Mac Edition +377%

2867

GeForce GTS 450

VS

Radeon HD 7950 Mac Edition

Graphics Card

Sep 2010

Release Date

Mar 2013

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

902 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

57.73GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

4

SM Count

-

192

Shading Units

1792

32

TMUs

112

16

ROPs

32

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

25.60 GPixel/s

25.06 GTexel/s

Texture Rate

89.60 GTexel/s

601.3 GFLOPS

FP32 (float)

2.867 TFLOPS

50.11 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

106W

TDP

200W

300 W

Suggested PSU

550 W

2x DVI
1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GF106

GPU Name

Tahiti

GF106-250-KA-A1

GPU Variant

Tahiti PRO

(215-0821056)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

4.313 billion

238 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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