AMD Radeon HD 6970 X2 vs AMD Radeon RX 7990 XTX

VS

AMD Radeon HD 6970 X2

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

Lower TDP (375W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1152GB/s vs 176.0GB/s)

4608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2

2.703 TFLOPS

Radeon RX 7990 XTX +3172%

88.45 TFLOPS

Radeon HD 6970 X2

VS

Radeon RX 7990 XTX

Graphics Card

Unknown

Release Date

Unknown

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2500 MHz

-

Boost Clock

3599 MHz

1375 MHz

Memory Clock

3000 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

384bit

176.0GB/s

Bandwidth

1152GB/s

Render Config

24

Compute Units

96

-

1536

Shading Units

6144

96

TMUs

384

32

ROPs

192

-

RT Cores

96

8 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

691.0 GPixel/s

84.48 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

2.703 TFLOPS

FP32 (float)

88.45 TFLOPS

-

FP64 (double)

2.764 TFLOPS

Board Design

375W

TDP

405W

750 W

Suggested PSU

800 W

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

Outputs

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

3x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Antilles

GPU Name

Navi 31

Antilles XT (215-0807027)

GPU Variant

Navi 31 XTX+

TeraScale 3

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

2.64 billion

Transistors

57.7 billion

389 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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