AMD Radeon RX 6950 XT vs AMD Radeon HD 6770

VS

AMD Radeon RX 6950 XT AMD Radeon HD 6770

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT 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 6950 XT 's Advantages

Released 11 years and 4 months late

Boost Clock2310MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 76.80GB/s)

4320 additional rendering cores

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +1638%

23.65 TFLOPS

Radeon HD 6770

1.36 TFLOPS

Radeon RX 6950 XT

VS

Radeon HD 6770

Graphics Card

May 2022

Release Date

Jan 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1860 MHz

Base Clock

-

2310 MHz

Boost Clock

-

2250 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

80

Compute Units

10

5120

Shading Units

800

320

TMUs

40

128

ROPs

16

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

295.7 GPixel/s

Pixel Rate

13.60 GPixel/s

739.2 GTexel/s

Texture Rate

34.00 GTexel/s

47.31 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

1360 GFLOPS

1478 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

Juniper

Navi 21 KXTX (215-121000289)

GPU Variant

Juniper XT (215-0754013)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.04 billion

520 mm²

Die Size

166 mm²

Board Design

335W

TDP

108W

700 W

Suggested PSU

300 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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