AMD Radeon HD 7970 vs NVIDIA GeForce RTX 3090

VS

AMD Radeon HD 7970 NVIDIA GeForce RTX 3090

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Lower TDP (250W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

Released 8 years and 9 months late

Boost Clock1695MHz

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (936.2GB/s vs 264.0GB/s)

8448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970

3.789 TFLOPS

GeForce RTX 3090 +839%

35.58 TFLOPS

3DMark Time Spy

Radeon HD 7970

2279

GeForce RTX 3090 +773%

19908

Radeon HD 7970

VS

GeForce RTX 3090

Graphics Card

Dec 2011

Release Date

Sep 2020

Southern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1695 MHz

1375 MHz

Memory Clock

1219 MHz

Memory

3GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

936.2GB/s

Render Config

-

SM Count

82

32

Compute Units

-

2048

Shading Units

10496

128

TMUs

328

32

ROPs

112

-

Tensor Cores

328

-

RT Cores

82

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

6 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

189.8 GPixel/s

118.4 GTexel/s

Texture Rate

556.0 GTexel/s

-

FP16 (half)

35.58 TFLOPS

3.789 TFLOPS

FP32 (float)

35.58 TFLOPS

947.2 GFLOPS

FP64 (double)

556.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

GA102

Tahiti XT (215-0821060)

GPU Variant

GA102-300-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

28.3 billion

352 mm²

Die Size

628 mm²

Board Design

250W

TDP

350W

600 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 12-pin

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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