AMD Radeon HD 7750 vs ATI Radeon X800 GT AGP

VS

AMD Radeon HD 7750

ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 256MB VRAM Radeon X800 GT AGP 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 3 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 31.55GB/s)

512 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 55W)

Score

Radeon HD 7750

VS

Radeon X800 GT AGP

Graphics Card

Feb 2012

Release Date

Nov 2007

Southern Islands

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1125 MHz

Memory Clock

493 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

31.55GB/s

Render Config

8

Compute Units

-

512

Shading Units

-

32

TMUs

8

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

3.784 GPixel/s

25.60 GTexel/s

Texture Rate

3.784 GTexel/s

-

819.2 GFLOPS

FP32 (float)

-

51.20 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

40W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

1x Molex

Graphics Processor

Cape Verde

GPU Name

R420

Cape Verde PRO

GPU Variant

R420 GT (215RAACGA12F)

GCN 1.0

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

1.5 billion

Transistors

0.16 billion

123 mm²

Die Size

281 mm²

Graphics Features

12 (11_1)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

-

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