AMD Radeon RX 7900 XT vs AMD Radeon HD 6970

VS

AMD Radeon RX 7900 XT

AMD Radeon HD 6970

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 11 years and 11 months late

Boost Clock2394MHz

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 176.0GB/s)

3840 additional rendering cores

AMD Radeon HD 6970 's Advantages

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +1804%

51.48 TFLOPS

Radeon HD 6970

2.703 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 6970

Graphics Card

Nov 2022

Release Date

Dec 2010

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

1375 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

256bit

800.0GB/s

Bandwidth

176.0GB/s

Render Config

84

Compute Units

24

-

5376

Shading Units

1536

336

TMUs

96

192

ROPs

32

-

84

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

512 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

28.16 GPixel/s

804.4 GTexel/s

Texture Rate

84.48 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

2.703 TFLOPS

1.609 TFLOPS

FP64 (double)

675.8 GFLOPS

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 31

GPU Name

Cayman

Navi 31 XT (215-145000156)

GPU Variant

Cayman XT (215-0807007)

RDNA 3.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

2.64 billion

529 mm²

Die Size

389 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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