ATI Radeon HD 2950 PRO vs AMD Radeon HD 7950

VS

ATI Radeon HD 2950 PRO AMD Radeon HD 7950

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2950 PRO and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 200W)

AMD Radeon HD 7950 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 38.40GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2950 PRO

0.384 TFLOPS

Radeon HD 7950 +646%

2.867 TFLOPS

Radeon HD 2950 PRO

VS

Radeon HD 7950

Graphics Card

Unknown

Release Date

Jan 2012

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

600 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

384bit

38.40GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

4

Compute Units

28

320

Shading Units

1792

16

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

9.600 GPixel/s

Pixel Rate

25.60 GPixel/s

9.600 GTexel/s

Texture Rate

89.60 GTexel/s

-

FP16 (half)

-

384.0 GFLOPS

FP32 (float)

2.867 TFLOPS

76.80 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

RV670

GPU Name

Tahiti

RV670 PRO ES (215-0708001)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

4.313 billion

192 mm²

Die Size

352 mm²

Board Design

75W

TDP

200W

250 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

5.1

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