GPU Comparison

A

AMD

RADEON

AMD Radeon RX 640 OEM

CORE STATE Polaris 23

VRAM 4 GB

CLOCK SPEED —

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

Xbox GPU

CORE STATE NV2A

VRAM 64 MB

CLOCK SPEED —

TDP —

BUS WIDTH 128 bit

ARCHITECTURE Kelvin

nm

PROCESS 150 nm

LAUNCH DATE 2001

DETAILED SPECIFICATIONS

SPECIFICATION

RX 640 OEM

Xbox GPU

Core Specs

Shading Units

640

—

Shaders

640

—

TMUs

40

8 -80.0%

ROPs

16

4 -75.0%

Compute Units

10

—

Clocks

GPU Clock

1295 MHz

233 MHz

Memory Clock

1500 MHz 6 Gbps effective

200 MHz 400 Mbps effective

Memory

Memory Size

4 GB

64 MB

VRAM (MB)

4,096

64 -98.4%

Memory Type

GDDR5

DDR

Memory Bus

128 bit

128 bit

Bandwidth

96.00 GB/s

6.400 GB/s

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

512 KB

—

Performance

Pixel Rate

20.72 GPixel/s

932.0 MPixel/s

Texture Rate

51.80 GTexel/s

1.864 GTexel/s

FP32 (TFLOPS)

1.658 TFLOPS

—

FP64 (TFLOPS)

103.6 GFLOPS (1:16)

—

FP16 (TFLOPS)

1.658 TFLOPS (1:1)

—

Power

TDP

50 W

—

TDP (W)

50

—

Suggested PSU

250 W

—

Power Connectors

None

—

Architecture

Architecture

GCN 4.0

Kelvin

GPU Name

Polaris 23

NV2A

Generation

Polaris (RX 600)

Console GPU (Microsoft)

Process Size

14 nm

150 nm

Transistors

2,200 million

57 million

Die Size

103 mm²

142 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

401.4K / mm²

API Support

DirectX

12 (12_0)

8.1

OpenGL

4.6

1.4

Vulkan

1.3

—

OpenCL

2.1

—

Shader Model

6.7

—

Physical

Slot Width

Single-slot

—

Length

—

320 mm 12.6 inches

Height

—

100 mm 3.9 inches

Outputs

1x DisplayPort 1.4a2x mini-DisplayPort 1.4a

No outputs

Bus Interface

PCIe 3.0 x8

—

Other

Launch Price

—

299 USD

Production

End-of-life

End-of-life

Predecessor

Polaris

—

Successor

Vega

—

View Radeon RX 640 OEM Details View Xbox GPU Details