AMD Radeon HD 8770 OEM vs AMD Radeon RX 7950 XT

VS

AMD Radeon HD 8770 OEM

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770 OEM 's Advantages

Lower TDP (85W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (800.0GB/s vs 96.00GB/s)

4480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM

1.882 TFLOPS

Radeon RX 7950 XT +3327%

64.51 TFLOPS

Radeon HD 8770 OEM

VS

Radeon RX 7950 XT

Graphics Card

Sep 2013

Release Date

Unknown

Sea Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

3000 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

320bit

96.00GB/s

Bandwidth

800.0GB/s

Render Config

14

Compute Units

84

-

896

Shading Units

5376

56

TMUs

336

16

ROPs

192

-

RT Cores

84

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

576.0 GPixel/s

58.80 GTexel/s

Texture Rate

1008 GTexel/s

-

FP16 (half)

129.0 TFLOPS

1.882 TFLOPS

FP32 (float)

64.51 TFLOPS

117.6 GFLOPS

FP64 (double)

2.016 TFLOPS

Board Design

85W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Bonaire

GPU Name

Navi 31

Bonaire XT (215-0839039)

GPU Variant

Navi 31 XT+

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.08 billion

Transistors

57.7 billion

160 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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