AMD Radeon HD 7970 X2 vs AMD Radeon RX 7990 XTX

VS

AMD Radeon HD 7970 X2

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (1152GB/s vs 264.0GB/s)

4096 additional rendering cores

Lower TDP (405W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

Radeon RX 7990 XTX +2234%

88.45 TFLOPS

Radeon HD 7970 X2

VS

Radeon RX 7990 XTX

Graphics Card

Aug 2012

Release Date

Unknown

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2500 MHz

-

Boost Clock

3599 MHz

1375 MHz

Memory Clock

3000 MHz

Memory

3GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

1152GB/s

Render Config

32

Compute Units

96

-

2048

Shading Units

6144

128

TMUs

384

32

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

768 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

691.0 GPixel/s

118.4 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

3.789 TFLOPS

FP32 (float)

88.45 TFLOPS

947.2 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

500W

TDP

405W

900 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

New Zealand

GPU Name

Navi 31

-

GPU Variant

Navi 31 XTX+

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

57.7 billion

352 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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