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

RTX A6000

CORE STATE GA102

VRAM 48 GB

CLOCK SPEED 1800 MHz

TDP 300 W

BUS WIDTH 384 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl

N/A

180,149

geekbench_vulkan

N/A

165,451

passmark_directx_10

N/A

155

passmark_directx_11

N/A

191

passmark_directx_12

N/A

87

passmark_directx_9

N/A

245

passmark_g2d

N/A

913

passmark_g3d

N/A

22,577

passmark_gpu_compute

N/A

14,110

DETAILED SPECIFICATIONS

SPECIFICATION

RX 640 OEM

RTX A6000

Core Specs

Shading Units

640

10,752 +1580.0%

Shaders

640

10,752 +1580.0%

TMUs

40

336 +740.0%

ROPs

16

112 +600.0%

Compute Units

10

—

SM Count

—

84

Clocks

Base Clock

—

1410 MHz

Boost Clock

—

1800 MHz

GPU Clock

1295 MHz

—

Memory Clock

1500 MHz 6 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

4 GB

48 GB

VRAM (MB)

4,096

49,152 +1100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

384 bit

Bandwidth

96.00 GB/s

768.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

6 MB

Performance

Pixel Rate

20.72 GPixel/s

201.6 GPixel/s

Texture Rate

51.80 GTexel/s

604.8 GTexel/s

FP32 (TFLOPS)

1.658 TFLOPS

38.71 TFLOPS

FP64 (TFLOPS)

103.6 GFLOPS (1:16)

604.8 GFLOPS (1:64)

FP16 (TFLOPS)

1.658 TFLOPS (1:1)

38.71 TFLOPS (1:1)

AI/RT

RT Cores

—

84

Tensor Cores

—

336

Power

TDP

50 W

300 W

TDP (W)

50

300 +500.0%

Suggested PSU

250 W

700 W

Power Connectors

None

8-pin EPS

Architecture

Architecture

GCN 4.0

Ampere

GPU Name

Polaris 23

GA102

Generation

Polaris (RX 600)

Workstation Ampere (Ax000)

Process Size

14 nm

8 nm

Transistors

2,200 million

28,300 million

Die Size

103 mm²

628 mm²

Foundry

GlobalFoundries

Samsung

Density

21.4M / mm²

45.1M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

3.0

CUDA

—

8.6

Shader Model

6.7

6.8

Physical

Slot Width

Single-slot

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

112 mm 4.4 inches

Outputs

1x DisplayPort 1.4a2x mini-DisplayPort 1.4a

4x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

—

4,649 USD

Production

End-of-life

End-of-life

Predecessor

Polaris

Quadro Turing

Successor

Vega

Workstation Ada

View Radeon RX 640 OEM Details View RTX A6000 Details