AMD Radeon HD 7850 vs AMD Radeon RX 7700

VS

AMD Radeon HD 7850

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 200W)

AMD Radeon RX 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 153.6GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon RX 7700 +1714%

31.95 TFLOPS

Radeon HD 7850

VS

Radeon RX 7700

Graphics Card

Mar 2012

Release Date

Unknown

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 MHz

1200 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

153.6GB/s

Bandwidth

432.0GB/s

Render Config

16

Compute Units

48

-

1024

Shading Units

3072

64

TMUs

192

32

ROPs

96

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

27.52 GPixel/s

Pixel Rate

249.6 GPixel/s

55.04 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

1.761 TFLOPS

FP32 (float)

31.95 TFLOPS

110.1 GFLOPS

FP64 (double)

998.4 GFLOPS

Board Design

130W

TDP

200W

300 W

Suggested PSU

550 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

1x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 32

Pitcairn PRO (215-0828062)

GPU Variant

Navi 32

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

28.1 billion

212 mm²

Die Size

346 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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