GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7950

CORE STATE Tahiti

VRAM 3 GB

CLOCK SPEED —

TDP 200 W

BUS WIDTH 384 bit

ARCHITECTURE GCN 1.0

nm

PROCESS 28 nm

LAUNCH DATE 2012

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

geekbench_metal

34,050

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

2,604

geekbench_opencl

N/A

121,988

geekbench_vulkan

N/A

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

HD 7950

RTX A4000

Core Specs

Shading Units

1,792

6,144 +242.9%

Shaders

1,792

6,144 +242.9%

TMUs

112

192 +71.4%

ROPs

32

96 +200.0%

Compute Units

28

—

SM Count

—

48

Clocks

Base Clock

—

735 MHz

Boost Clock

—

1560 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

3 GB

16 GB

VRAM (MB)

3,072

16,384 +433.3%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

256 bit

Bandwidth

240.0 GB/s

448.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

768 KB

4 MB

Performance

Pixel Rate

25.60 GPixel/s

149.8 GPixel/s

Texture Rate

89.60 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

—

19.17 TFLOPS (1:1)

AI/RT

RT Cores

—

48

Tensor Cores

—

192

Power

TDP

200 W

140 W

TDP (W)

200

140 -30.0%

Suggested PSU

550 W

300 W

Power Connectors

2x 6-pin

1x 6-pin

Architecture

Architecture

GCN 1.0

Ampere

GPU Name

Tahiti

GA104

Generation

Southern Islands (HD 7900)

Workstation Ampere (Ax000)

Process Size

28 nm

8 nm

Transistors

4,313 million

17,400 million

Die Size

352 mm²

392 mm²

Foundry

TSMC

Samsung

Density

12.3M / mm²

44.4M / mm²

API Support

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

8.6

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Single-slot

Length

278 mm 10.9 inches

241 mm 9.5 inches

Height

111 mm 4.4 inches

112 mm 4.4 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

4x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

449 USD

—

Production

End-of-life

End-of-life

Predecessor

Northern Islands

Quadro Turing

Successor

Sea Islands

Workstation Ada

View Radeon HD 7950 Details View RTX A4000 Details