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

A

AMD

RADEON

Radeon RX 9070 XT

CORE STATE Navi 48

VRAM 16 GB

CLOCK SPEED 2970 MHz

TDP 304 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 4.0

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

160,317

3dmark_3dmark_steel_nomad_dx12

N/A

7,260

geekbench_vulkan

N/A

184,026

passmark_directx_10

N/A

154

passmark_directx_11

N/A

292

passmark_directx_12

N/A

78

passmark_directx_9

N/A

353

passmark_g2d

N/A

1,328

passmark_g3d

N/A

26,795

passmark_gpu_compute

N/A

15,864

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RX 9070 XT

Core Specs

Shading Units

960

4,096 +326.7%

Shaders

960

4,096 +326.7%

TMUs

48

256 +433.3%

ROPs

32

128 +300.0%

Compute Units

12

64 +433.3%

Clocks

Base Clock

—

1660 MHz

Boost Clock

—

2970 MHz

GPU Clock

800 MHz

—

Game Clock

—

2400 MHz

Memory Clock

1050 MHz 4.2 Gbps effective

2518 MHz 20.1 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

644.6 GB/s

Cache

L1 Cache

8 KB (per CU)

—

L2 Cache

512 KB

8 MB

L3 Cache

—

64 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

25.60 GPixel/s

380.2 GPixel/s

Texture Rate

38.40 GTexel/s

760.3 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

48.66 TFLOPS

FP64 (TFLOPS)

—

1.521 TFLOPS (1:32)

FP16 (TFLOPS)

—

97.32 TFLOPS (2:1)

AI/RT

RT Cores

—

64

Matrix Cores

—

128

Power

TDP

254 W

304 W

TDP (W)

254

304 +19.7%

Suggested PSU

600 W

700 W

Power Connectors

2x 8-pin

2x 8-pin

Architecture

Architecture

TeraScale 2

RDNA 4.0

GPU Name

Barts

Navi 48

Generation

Northern Islands (HD 6800)

Navi IV (RX 9000)

Process Size

40 nm

4 nm

Transistors

1,700 million

53,900 million

Die Size

255 mm²

357 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

151.0M / mm²

API Support

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

2.2

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x HDMI 2.1b3x DisplayPort 2.1a

Bus Interface

PCIe 2.0 x16

PCIe 5.0 x16

Other

Launch Price

—

599 USD

Production

End-of-life

Active

Predecessor

Evergreen

Navi III

Successor

Southern Islands

—

View Radeon HD 6850 X2 Details View Radeon RX 9070 XT Details