AMD Radeon RX 7950 XTX vs AMD Radeon HD 6770

VS

AMD Radeon RX 7950 XTX

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (960.0GB/s vs 76.80GB/s)

5344 additional rendering cores

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +5863%

81.1 TFLOPS

Radeon HD 6770

1.36 TFLOPS

Radeon RX 7950 XTX

VS

Radeon HD 6770

Graphics Card

Unknown

Release Date

Jan 2011

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2200 MHz

Base Clock

-

3300 MHz

Boost Clock

-

2500 MHz

Memory Clock

1200 MHz

Memory

24GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

960.0GB/s

Bandwidth

76.80GB/s

Render Config

96

Compute Units

10

-

6144

Shading Units

800

384

TMUs

40

192

ROPs

16

-

96

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

633.6 GPixel/s

Pixel Rate

13.60 GPixel/s

1267 GTexel/s

Texture Rate

34.00 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

1360 GFLOPS

2.534 TFLOPS

FP64 (double)

-

Board Design

355W

TDP

108W

750 W

Suggested PSU

300 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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 31

GPU Name

Juniper

Navi 31 XTX+

GPU Variant

Juniper XT (215-0754013)

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

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

-

6.7

Shader Model

5.0

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