GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6850 X2

CORE STATE Barts

VRAM 2 GB

CLOCK SPEED —

TDP 254 W

BUS WIDTH 256 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

VS

NVIDIA

GEFORCE

GeForce RTX 4090 D

CORE STATE AD102

VRAM 24 GB

CLOCK SPEED 2520 MHz

TDP 425 W

BUS WIDTH 384 bit

ARCHITECTURE Ada Lovelace

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

271,315

3dmark_3dmark_steel_nomad_dx12

N/A

8,587

geekbench_vulkan

N/A

244,421

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RTX 4090 D

Core Specs

Shading Units

960

14,592 +1420.0%

Shaders

960

14,592 +1420.0%

TMUs

48

456 +850.0%

ROPs

32

176 +450.0%

Compute Units

12

—

SM Count

—

114

Clocks

Base Clock

—

2280 MHz

Boost Clock

—

2520 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

1313 MHz 21 Gbps effective

Memory

Memory Size

2 GB

24 GB

VRAM (MB)

2,048

24,576 +1100.0%

Memory Type

GDDR5

GDDR6X

Memory Bus

256 bit

384 bit

Bandwidth

134.4 GB/s

1.01 TB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

72 MB

Performance

Pixel Rate

25.60 GPixel/s

443.5 GPixel/s

Texture Rate

38.40 GTexel/s

1,149.1 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

73.54 TFLOPS

FP64 (TFLOPS)

—

1,149.1 GFLOPS (1:64)

FP16 (TFLOPS)

—

73.54 TFLOPS (1:1)

AI/RT

RT Cores

—

114

Tensor Cores

—

456

Power

TDP

254 W

425 W

TDP (W)

254

425 +67.3%

Suggested PSU

600 W

800 W

Power Connectors

2x 8-pin

1x 16-pin

Architecture

Architecture

TeraScale 2

Ada Lovelace

GPU Name

Barts

AD102

Generation

Northern Islands (HD 6800)

GeForce 40

Process Size

40 nm

5 nm

Transistors

1,700 million

76,300 million

Die Size

255 mm²

609 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

125.3M / mm²

API Support

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

3.0

CUDA

—

8.9

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Triple-slot

Length

—

304 mm 12 inches

Height

—

137 mm 5.4 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Launch Price

—

1,599 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

GeForce 30

Successor

Southern Islands

GeForce 50

View Radeon HD 6850 X2 Details View GeForce RTX 4090 D Details