ATI Radeon HD 5970 vs AMD Radeon HD 6790

VS

ATI Radeon HD 5970

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

800 additional rendering cores

AMD Radeon HD 6790 's Advantages

Released 1 years and 5 months late

Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)

Lower TDP (150W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +72%

2.32 TFLOPS

Radeon HD 6790

1.344 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 6790

Graphics Card

Nov 2009

Release Date

Apr 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

134.4GB/s

Render Config

20

Compute Units

10

-

1600

Shading Units

800

80

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

13.44 GPixel/s

58.00 GTexel/s

Texture Rate

33.60 GTexel/s

-

2.320 TFLOPS

FP32 (float)

1344 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

294W

TDP

150W

600 W

Suggested PSU

450 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Hemlock

GPU Name

Barts

Hemlock XT (215-0735075)

GPU Variant

Barts LE (215-0798002)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.7 billion

334 mm²

Die Size

255 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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