AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 6950 XT

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 335W)

AMD Radeon RX 6950 XT 's Advantages

Released 10 years and 3 months late

Boost Clock2310MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 72.00GB/s)

4480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon RX 6950 XT +1747%

23.65 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon RX 6950 XT

Graphics Card

Feb 2012

Release Date

May 2022

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1860 MHz

-

Boost Clock

2310 MHz

1125 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

576.0GB/s

Render Config

10

Compute Units

80

-

640

Shading Units

5120

40

TMUs

320

16

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

295.7 GPixel/s

40.00 GTexel/s

Texture Rate

739.2 GTexel/s

-

FP16 (half)

47.31 TFLOPS

1280 GFLOPS

FP32 (float)

23.65 TFLOPS

80.00 GFLOPS

FP64 (double)

1478 GFLOPS

Board Design

80W

TDP

335W

250 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cape Verde

GPU Name

Navi 21

Cape Verde XT

GPU Variant

Navi 21 KXTX (215-121000289)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.5 billion

Transistors

26.8 billion

123 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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