AMD Radeon HD 7970 vs ATI Radeon X1650

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 256MB VRAM Radeon X1650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 4 years and 1 months late

Larger VRAM bandwidth (264.0GB/s vs 6.400GB/s)

2048 additional rendering cores

Score

Radeon HD 7970

VS

Radeon X1650

Graphics Card

Dec 2011

Release Date

Nov 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

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

6.400GB/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

Tahiti

GPU Name

RV516

Tahiti XT (215-0821060)

GPU Variant

-

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

UMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.105 billion

352 mm²

Die Size

100 mm²

Board Design

250W

TDP

Unknown

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 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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