AMD Radeon RX 7700 vs AMD Radeon HD 8770 OEM

VS

AMD Radeon RX 7700 AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700 's Advantages

Released 9 years and 4 months late

Boost Clock2600MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (432.0GB/s vs 96.00GB/s)

2176 additional rendering cores

AMD Radeon HD 8770 OEM 's Advantages

Lower TDP (85W vs 200W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 +1597%

31.95 TFLOPS

Radeon HD 8770 OEM

1.882 TFLOPS

Radeon RX 7700

VS

Radeon HD 8770 OEM

Graphics Card

Jan 2023

Release Date

Sep 2013

Navi III

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1900 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

432.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

48

Compute Units

14

3072

Shading Units

896

192

TMUs

56

96

ROPs

16

-

Tensor Cores

-

48

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

249.6 GPixel/s

Pixel Rate

16.80 GPixel/s

499.2 GTexel/s

Texture Rate

58.80 GTexel/s

63.90 TFLOPS

FP16 (half)

-

31.95 TFLOPS

FP32 (float)

1.882 TFLOPS

998.4 GFLOPS

FP64 (double)

117.6 GFLOPS

Graphics Processor

Navi 32

GPU Name

Bonaire

Navi 32

GPU Variant

Bonaire XT (215-0839039)

RDNA 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

Unknown

Transistors

2.08 billion

346 mm²

Die Size

160 mm²

Board Design

200W

TDP

85W

550 W

Suggested PSU

250 W

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

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.3

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