GPU Comparison

A

AMD

RADEON

AMD Radeon 680M

CORE STATE Rembrandt+

VRAM System Shared

CLOCK SPEED 2200 MHz

TDP 50 W

BUS WIDTH System Shared

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2023

VS

NVIDIA

GEFORCE

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

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

378

2,604

geekbench_opencl

22,994

121,988

geekbench_vulkan

25,850

111,712

passmark_directx_10

N/A

126

passmark_directx_11

N/A

158

passmark_directx_12

N/A

72

passmark_directx_9

N/A

240

passmark_g2d

N/A

1,024

passmark_g3d

N/A

19,459

passmark_gpu_compute

N/A

9,760

DETAILED SPECIFICATIONS

SPECIFICATION

680M

RTX A4000

Core Specs

Shading Units

768

6,144 +700.0%

Shaders

768

6,144 +700.0%

TMUs

48

192 +300.0%

ROPs

32

96 +200.0%

Compute Units

12

—

SM Count

—

48

Clocks

Base Clock

2000 MHz

735 MHz

Boost Clock

2200 MHz

1560 MHz

Memory Clock

System Shared

1750 MHz 14 Gbps effective

Memory

Memory Size

System Shared

16 GB

VRAM (MB)

—

16,384

Memory Type

System Shared

GDDR6

Memory Bus

System Shared

256 bit

Bandwidth

System Dependent

448.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

4 MB

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

70.40 GPixel/s

149.8 GPixel/s

Texture Rate

105.6 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

3.379 TFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

211.2 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

6.758 TFLOPS (2:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

12

48 +300.0%

Tensor Cores

—

192

Power

TDP

50 W

140 W

TDP (W)

50

140 +180.0%

Suggested PSU

—

300 W

Power Connectors

None

1x 6-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Rembrandt+

GA104

Generation

Navi II IGP (Rembrandt Mobile)

Workstation Ampere (Ax000)

Process Size

6 nm

8 nm

Transistors

13,100 million

17,400 million

Die Size

208 mm²

392 mm²

Foundry

TSMC

Samsung

Density

63.0M / mm²

44.4M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.0

3.0

CUDA

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

IGP

Single-slot

Length

—

241 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

Portable Device Dependent

4x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Production

Active

End-of-life

Predecessor

Vega II IGP

Quadro Turing

Successor

Navi III IGP

Workstation Ada

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