AMD Radeon RX 7990 XTX vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon RX 7990 XTX AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 2GB VRAM Radeon HD 6770 Green 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 Clock3599MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1152GB/s vs 21.34GB/s)

5424 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +8674%

88.45 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon RX 7990 XTX

VS

Radeon HD 6770 Green Edition

Graphics Card

Unknown

Release Date

Apr 2013

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2500 MHz

Base Clock

-

3599 MHz

Boost Clock

-

3000 MHz

Memory Clock

667 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

128bit

1152GB/s

Bandwidth

21.34GB/s

Render Config

-

SM Count

-

96

Compute Units

9

6144

Shading Units

720

384

TMUs

36

192

ROPs

16

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

691.0 GPixel/s

Pixel Rate

11.20 GPixel/s

1382 GTexel/s

Texture Rate

25.20 GTexel/s

176.9 TFLOPS

FP16 (half)

-

88.45 TFLOPS

FP32 (float)

1008 GFLOPS

2.764 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 31

GPU Name

Juniper

Navi 31 XTX+

GPU Variant

Juniper LE (215-0754009)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

1.04 billion

529 mm²

Die Size

166 mm²

Board Design

405W

TDP

86W

800 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

3x 8-pin

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

5.0

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