AMD Radeon HD 7970 vs AMD Radeon HD 6510

VS

AMD Radeon HD 7970

AMD Radeon HD 6510

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM Radeon HD 6510 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 7 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 16.00GB/s)

1648 additional rendering cores

AMD Radeon HD 6510 's Advantages

Lower TDP (39W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +628%

3.789 TFLOPS

Radeon HD 6510

0.52 TFLOPS

Radeon HD 7970

VS

Radeon HD 6510

Graphics Card

Dec 2011

Release Date

May 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

16.00GB/s

Render Config

32

Compute Units

5

-

2048

Shading Units

400

128

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

5.200 GPixel/s

118.4 GTexel/s

Texture Rate

13.00 GTexel/s

-

3.789 TFLOPS

FP32 (float)

520.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

39W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Redwood

Tahiti XT (215-0821060)

GPU Variant

Redwood PRO (215-0757004)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.627 billion

352 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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