GPU Comparison

NVIDIA

GEFORCE

NVIDIA RTX A4000

CORE STATE GA104

VRAM 16 GB

CLOCK SPEED 1560 MHz

TDP 140 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

VS

NVIDIA

GEFORCE

Tesla K20Xm

CORE STATE GK110

VRAM 6 GB

CLOCK SPEED —

TDP 235 W

BUS WIDTH 384 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

2,604

N/A

geekbench_opencl

121,988

17,058

geekbench_vulkan

111,712

N/A

passmark_directx_10

126

N/A

passmark_directx_11

158

N/A

passmark_directx_12

72

N/A

passmark_directx_9

240

N/A

passmark_g2d

1,024

N/A

passmark_g3d

19,459

N/A

passmark_gpu_compute

9,760

N/A

geekbench_metal

N/A

8,035

DETAILED SPECIFICATIONS

SPECIFICATION

RTX A4000

Tesla K20Xm

Core Specs

Shading Units

6,144

2,688 -56.3%

Shaders

6,144

2,688 -56.3%

TMUs

192

224 +16.7%

ROPs

96

48 -50.0%

SM Count

48

—

Clocks

Base Clock

735 MHz

—

Boost Clock

1560 MHz

—

GPU Clock

—

732 MHz

Memory Clock

1750 MHz 14 Gbps effective

1300 MHz 5.2 Gbps effective

Memory

Memory Size

16 GB

6 GB

VRAM (MB)

16,384

6,144 -62.5%

Memory Type

GDDR6

GDDR5

Memory Bus

256 bit

384 bit

Bandwidth

448.0 GB/s

249.6 GB/s

Cache

L1 Cache

128 KB (per SM)

16 KB (per SMX)

L2 Cache

4 MB

1536 KB

Performance

Pixel Rate

149.8 GPixel/s

40.99 GPixel/s

Texture Rate

299.5 GTexel/s

164.0 GTexel/s

FP32 (TFLOPS)

19.17 TFLOPS

3.935 TFLOPS

FP64 (TFLOPS)

299.5 GFLOPS (1:64)

1,311.7 GFLOPS (1:3)

FP16 (TFLOPS)

19.17 TFLOPS (1:1)

—

AI/RT

RT Cores

48

—

Tensor Cores

192

—

Power

TDP

140 W

235 W

TDP (W)

140

235 +67.9%

Suggested PSU

300 W

550 W

Power Connectors

1x 6-pin

—

Architecture

Architecture

Ampere

Kepler

GPU Name

GA104

GK110

Generation

Workstation Ampere (Ax000)

Tesla Kepler (Kxx)

Process Size

8 nm

28 nm

Transistors

17,400 million

7,080 million

Die Size

392 mm²

561 mm²

Foundry

Samsung

TSMC

Density

44.4M / mm²

12.6M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

3.0

3.0

CUDA

8.6

3.5

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Single-slot

Dual-slot

Length

241 mm 9.5 inches

267 mm 10.5 inches

Height

112 mm 4.4 inches

—

Outputs

4x DisplayPort 1.4a

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 3.0 x16

Other

Launch Price

—

7,699 USD

Production

End-of-life

End-of-life

Predecessor

Quadro Turing

Tesla Fermi

Successor

Workstation Ada

Tesla Maxwell

View RTX A4000 Details View Tesla K20Xm Details