GPU Comparison

A

AMD

RADEON

AMD Radeon HD 7950 Mac Edition

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 2013

VS

NVIDIA

GEFORCE

GeForce GTX 1660 SUPER

CORE STATE TU116

VRAM 6 GB

CLOCK SPEED 1785 MHz

TDP 125 W

BUS WIDTH 192 bit

ARCHITECTURE Turing

nm

PROCESS 12 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

N/A

1,278

geekbench_opencl

N/A

62,664

geekbench_vulkan

N/A

59,933

passmark_directx_10

N/A

65

passmark_directx_11

N/A

104

passmark_directx_12

N/A

50

passmark_directx_9

N/A

189

passmark_g2d

N/A

805

passmark_g3d

N/A

12,699

passmark_gpu_compute

N/A

5,076

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950 Mac Edition

GTX 1660 SUPER

Core Specs

Shading Units

1,792

1,408 -21.4%

Shaders

1,792

1,408 -21.4%

TMUs

112

88 -21.4%

ROPs

32

48 +50.0%

Compute Units

28

—

SM Count

—

22

Clocks

Base Clock

—

1530 MHz

Boost Clock

—

1785 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

3 GB

6 GB

VRAM (MB)

3,072

6,144 +100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

384 bit

192 bit

Bandwidth

240.0 GB/s

336.0 GB/s

Cache

L1 Cache

16 KB (per CU)

64 KB (per SM)

L2 Cache

768 KB

1536 KB

Performance

Pixel Rate

25.60 GPixel/s

85.68 GPixel/s

Texture Rate

89.60 GTexel/s

157.1 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

5.027 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

157.1 GFLOPS (1:32)

FP16 (TFLOPS)

—

10.05 TFLOPS (2:1)

Power

TDP

200 W

125 W

TDP (W)

200

125 -37.5%

Suggested PSU

550 W

300 W

Power Connectors

2x 6-pin

1x 8-pin

Architecture

Architecture

GCN 1.0

Turing

GPU Name

Tahiti

TU116

Generation

Southern Islands (HD 7900)

GeForce 16

Process Size

28 nm

12 nm

Transistors

4,313 million

6,600 million

Die Size

352 mm²

284 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

23.2M / mm²

API Support

DirectX

12 (11_1)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.2.170

1.4

OpenCL

2.1 (1.2)

3.0

CUDA

—

7.5

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

279 mm 11 inches

229 mm 9 inches

Height

—

111 mm 4.4 inches

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

1x DVI1x HDMI 2.01x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x16

PCIe 3.0 x16

Other

Launch Price

449 USD

229 USD

Production

End-of-life

End-of-life

Predecessor

Northern Islands

GeForce 10

Successor

Sea Islands

GeForce 20

View Radeon HD 7950 Mac Edition Details View GeForce GTX 1660 SUPER Details