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 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_opencl

3,977

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 6850 X2

RTX 4090 Mobile

Core Specs

Shading Units

960

9,728 +913.3%

Shaders

960

9,728 +913.3%

TMUs

48

304 +533.3%

ROPs

32

112 +250.0%

Compute Units

12

—

SM Count

—

76

Clocks

Base Clock

—

1335 MHz

Boost Clock

—

1695 MHz

GPU Clock

800 MHz

—

Memory Clock

1050 MHz 4.2 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

256 bit

Bandwidth

134.4 GB/s

576.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

64 MB

Performance

Pixel Rate

25.60 GPixel/s

189.8 GPixel/s

Texture Rate

38.40 GTexel/s

515.3 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

32.98 TFLOPS

FP64 (TFLOPS)

—

515.3 GFLOPS (1:64)

FP16 (TFLOPS)

—

32.98 TFLOPS (1:1)

AI/RT

RT Cores

—

76

Tensor Cores

—

304

Power

TDP

254 W

120 W

TDP (W)

254

120 -52.8%

Suggested PSU

600 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

TeraScale 2

Ada Lovelace

GPU Name

Barts

AD103

Generation

Northern Islands (HD 6800)

GeForce 40 Mobile

Process Size

40 nm

5 nm

Transistors

1,700 million

45,900 million

Die Size

255 mm²

379 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

121.1M / 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

IGP

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

Portable Device Dependent

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Production

End-of-life

Active

Predecessor

Evergreen

GeForce 30 Mobile

Successor

Southern Islands

GeForce 50 Mobile

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