AMD Radeon RX 6850M XT vs AMD Radeon HD 7770M

VS

AMD Radeon RX 6850M XT AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6850M XT 's Advantages

Released 9 years and 9 months late

Boost Clock2581MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (384.0GB/s vs 64.00GB/s)

2048 additional rendering cores

AMD Radeon HD 7770M 's Advantages

Lower TDP (32W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +1811%

13.21 TFLOPS

Radeon HD 7770M

0.691 TFLOPS

Radeon RX 6850M XT

VS

Radeon HD 7770M

Graphics Card

Jan 2022

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

384.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

40

Compute Units

8

2560

Shading Units

512

160

TMUs

32

64

ROPs

16

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

Theoretical Performance

165.2 GPixel/s

Pixel Rate

10.80 GPixel/s

413.0 GTexel/s

Texture Rate

21.60 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

691.2 GFLOPS

825.9 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

Navi 22

GPU Name

Chelsea

Navi 22 XTM

GPU Variant

Chelsea XT

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

1.5 billion

335 mm²

Die Size

123 mm²

Board Design

165W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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