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

GeForce RTX 4090 Mobile

CORE STATE AD103

VRAM 16 GB

CLOCK SPEED 1695 MHz

TDP 120 W

BUS WIDTH 256 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_metal

34,050

N/A

geekbench_opencl

N/A

180,831

geekbench_vulkan

N/A

170,774

passmark_directx_10

N/A

173

passmark_directx_11

N/A

262

passmark_directx_12

N/A

107

passmark_directx_9

N/A

310

passmark_g2d

N/A

984

passmark_g3d

N/A

27,212

passmark_gpu_compute

N/A

12,347

DETAILED SPECIFICATIONS

SPECIFICATION

HD 7950

RTX 4090 Mobile

Core Specs

Shading Units

1,792

9,728 +442.9%

Shaders

1,792

9,728 +442.9%

TMUs

112

304 +171.4%

ROPs

32

112 +250.0%

Compute Units

28

—

SM Count

—

76

Clocks

Base Clock

—

1335 MHz

Boost Clock

—

1695 MHz

GPU Clock

800 MHz

—

Memory Clock

1250 MHz 5 Gbps effective

2250 MHz 18 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

576.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

768 KB

64 MB

Performance

Pixel Rate

25.60 GPixel/s

189.8 GPixel/s

Texture Rate

89.60 GTexel/s

515.3 GTexel/s

FP32 (TFLOPS)

2.867 TFLOPS

32.98 TFLOPS

FP64 (TFLOPS)

716.8 GFLOPS (1:4)

515.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

32.98 TFLOPS (1:1)

AI/RT

RT Cores

—

76

Tensor Cores

—

304

Power

TDP

200 W

120 W

TDP (W)

200

120 -40.0%

Suggested PSU

550 W

—

Power Connectors

2x 6-pin

None

Architecture

Architecture

GCN 1.0

Ada Lovelace

GPU Name

Tahiti

AD103

Generation

Southern Islands (HD 7900)

GeForce 40 Mobile

Process Size

28 nm

5 nm

Transistors

4,313 million

45,900 million

Die Size

352 mm²

379 mm²

Foundry

TSMC

TSMC

Density

12.3M / mm²

121.1M / 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

—

8.9

Shader Model

6.5 (5.1)

6.8

Physical

Slot Width

Dual-slot

IGP

Length

278 mm 10.9 inches

—

Height

111 mm 4.4 inches

—

Outputs

1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2

Portable Device Dependent

Bus Interface

PCIe 3.0 x16

PCIe 4.0 x16

Other

Launch Price

449 USD

—

Production

End-of-life

Active

Predecessor

Northern Islands

GeForce 30 Mobile

Successor

Sea Islands

GeForce 50 Mobile

View Radeon HD 7950 Details View GeForce RTX 4090 Mobile Details