AMD Radeon R9 290X vs AMD Radeon HD 6970 X2

VS

AMD Radeon R9 290X AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 176.0GB/s)

1280 additional rendering cores

Lower TDP (290W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 290X +108%

5.632 TFLOPS

Radeon HD 6970 X2

2.703 TFLOPS

Radeon R9 290X

VS

Radeon HD 6970 X2

Graphics Card

Oct 2013

Release Date

Unknown

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

320.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

44

Compute Units

24

2816

Shading Units

1536

176

TMUs

96

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

28.16 GPixel/s

176.0 GTexel/s

Texture Rate

84.48 GTexel/s

-

FP16 (half)

-

5.632 TFLOPS

FP32 (float)

2.703 TFLOPS

704.0 GFLOPS

FP64 (double)

-

Graphics Processor

Hawaii

GPU Name

Antilles

Hawaii XT (215-0852000)

GPU Variant

Antilles XT (215-0807027)

GCN 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

2.64 billion

438 mm²

Die Size

389 mm²

Board Design

290W

TDP

375W

600 W

Suggested PSU

750 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

3x 8-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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