AMD Radeon HD 6970 X2 vs AMD Radeon HD 7790

VS

AMD Radeon HD 6970 X2 AMD Radeon HD 7790

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)

640 additional rendering cores

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2 +50%

2.703 TFLOPS

Radeon HD 7790

1.792 TFLOPS

Radeon HD 6970 X2

VS

Radeon HD 7790

Graphics Card

Unknown

Release Date

Mar 2013

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

24

Compute Units

14

1536

Shading Units

896

96

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

16.00 GPixel/s

84.48 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

2.703 TFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Graphics Processor

Antilles

GPU Name

Bonaire

Antilles XT (215-0807027)

GPU Variant

Bonaire XT (215-0839039)

TeraScale 3

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

2.08 billion

389 mm²

Die Size

160 mm²

Board Design

375W

TDP

85W

750 W

Suggested PSU

250 W

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

Outputs

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

3x 8-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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