AMD Radeon RX 7990 XTX vs AMD Radeon HD 7970 GHz Edition

VS

AMD Radeon RX 7990 XTX AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 3GB VRAM Radeon HD 7970 GHz Edition 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 Clock has increased by 243% (3599MHz vs 1050MHz)

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (1152GB/s vs 288.0GB/s)

4096 additional rendering cores

AMD Radeon HD 7970 GHz Edition 's Advantages

Lower TDP (300W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +1956%

88.45 TFLOPS

Radeon HD 7970 GHz Edition

4.301 TFLOPS

Radeon RX 7990 XTX

VS

Radeon HD 7970 GHz Edition

Graphics Card

Unknown

Release Date

Jun 2012

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2500 MHz

Base Clock

1000 MHz

3599 MHz

Boost Clock

1050 MHz

3000 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

1152GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

96

Compute Units

32

6144

Shading Units

2048

384

TMUs

128

192

ROPs

32

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

768 KB

Theoretical Performance

691.0 GPixel/s

Pixel Rate

33.60 GPixel/s

1382 GTexel/s

Texture Rate

134.4 GTexel/s

176.9 TFLOPS

FP16 (half)

-

88.45 TFLOPS

FP32 (float)

4.301 TFLOPS

2.764 TFLOPS

FP64 (double)

1075 GFLOPS

Graphics Processor

Navi 31

GPU Name

Tahiti

Navi 31 XTX+

GPU Variant

Tahiti XT2 (215-0821065)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

4.313 billion

529 mm²

Die Size

352 mm²

Board Design

405W

TDP

300W

800 W

Suggested PSU

700 W

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

Outputs

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

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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