NVIDIA GeForce RTX 3090 vs AMD Radeon HD 7770 GHz Edition

VS

NVIDIA GeForce RTX 3090

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

Released 8 years and 7 months late

Boost Clock1695MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (936.2GB/s vs 72.00GB/s)

9856 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +2679%

35.58 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce RTX 3090

VS

Radeon HD 7770 GHz Edition

Graphics Card

Sep 2020

Release Date

Feb 2012

GeForce 30

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

1219 MHz

Memory Clock

1125 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

936.2GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

82

SM Count

-

10496

Shading Units

640

328

TMUs

40

112

ROPs

16

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

16.00 GPixel/s

556.0 GTexel/s

Texture Rate

40.00 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

1280 GFLOPS

556.0 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

350W

TDP

80W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

Cape Verde

GA102-300-A1

GPU Variant

Cape Verde XT

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

1.5 billion

628 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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