AMD Radeon HD 7970 X2 vs ATI Radeon X1600

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 512MB VRAM Radeon X1600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 5 years and 7 months late

Larger VRAM bandwidth (264.0GB/s vs 12.80GB/s)

2048 additional rendering cores

ATI Radeon X1600 's Advantages

Lower TDP (27W vs 500W)

Score

Radeon HD 7970 X2

VS

Radeon X1600

Graphics Card

Aug 2012

Release Date

Jan 2007

Southern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

-

128

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.540 GPixel/s

118.4 GTexel/s

Texture Rate

2.540 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

New Zealand

GPU Name

RV516

-

GPU Variant

-

GCN 1.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.107 billion

352 mm²

Die Size

100 mm²

Board Design

500W

TDP

27W

900 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

3x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

3.0

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