AMD Radeon HD 7950 Boost vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon HD 7950 Boost

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Released 2 years and 4 months late

Boost Clock925MHz

More VRAM (3GB vs 896GB)

Larger VRAM bandwidth (240.0GB/s vs 127.0GB/s)

1552 additional rendering cores

Lower TDP (200W vs 219W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost +432%

3.315 TFLOPS

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

Radeon HD 7950 Boost

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Jun 2012

Release Date

Feb 2010

Southern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

1134 MHz

Memory

3GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

448bit

240.0GB/s

Bandwidth

127.0GB/s

Render Config

28

Compute Units

-

SM Count

30

1792

Shading Units

240

112

TMUs

80

32

ROPs

28

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

224 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

17.72 GPixel/s

103.6 GTexel/s

Texture Rate

50.64 GTexel/s

-

3.315 TFLOPS

FP32 (float)

622.1 GFLOPS

828.8 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

200W

TDP

219W

550 W

Suggested PSU

550 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

G92B

Tahiti PRO2 (215-0821282)

GPU Variant

G92-421-B1

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.754 billion

352 mm²

Die Size

260 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

5.1

Shader Model

4.0

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