AMD Radeon HD 7750 vs ATI Radeon HD 2900 PRO

VS

AMD Radeon HD 7750

ATI Radeon HD 2900 PRO

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 512MB VRAM Radeon HD 2900 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7750 's Advantages

Released 4 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 51.20GB/s)

192 additional rendering cores

Lower TDP (55W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7750 +113%

0.819 TFLOPS

Radeon HD 2900 PRO

0.384 TFLOPS

Radeon HD 7750

VS

Radeon HD 2900 PRO

Graphics Card

Feb 2012

Release Date

Dec 2007

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

51.20GB/s

Render Config

8

Compute Units

4

-

512

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

9.600 GPixel/s

25.60 GTexel/s

Texture Rate

9.600 GTexel/s

-

819.2 GFLOPS

FP32 (float)

384.0 GFLOPS

51.20 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

200W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

Cape Verde

GPU Name

R600

Cape Verde PRO

GPU Variant

R600 PRO (215RGMDKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.5 billion

Transistors

0.72 billion

123 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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