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 7700 XT

CORE STATE Navi 32

VRAM 12 GB

CLOCK SPEED 2544 MHz

TDP 245 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

3,977

127,549

3dmark_3dmark_steel_nomad_dx12

N/A

3,316

geekbench_vulkan

N/A

132,758

passmark_directx_10

N/A

119

passmark_directx_11

N/A

232

passmark_directx_12

N/A

79

passmark_directx_9

N/A

294

passmark_g2d

N/A

1,161

passmark_g3d

N/A

22,547

passmark_gpu_compute

N/A

12,912

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6850 X2

RX 7700 XT

Core Specs

Shading Units

960

3,456 +260.0%

Shaders

960

3,456 +260.0%

TMUs

48

216 +350.0%

ROPs

32

96 +200.0%

Compute Units

12

54 +350.0%

Clocks

Base Clock

—

1435 MHz

Boost Clock

—

2544 MHz

GPU Clock

800 MHz

—

Game Clock

—

2171 MHz

Memory Clock

1050 MHz 4.2 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

2 GB

12 GB

VRAM (MB)

2,048

12,288 +500.0%

Memory Type

GDDR5

GDDR6

Memory Bus

256 bit

192 bit

Bandwidth

134.4 GB/s

432.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB per Array

L2 Cache

512 KB

2 MB

L3 Cache

—

48 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

25.60 GPixel/s

244.2 GPixel/s

Texture Rate

38.40 GTexel/s

549.5 GTexel/s

FP32 (TFLOPS)

1.536 TFLOPS

35.17 TFLOPS

FP64 (TFLOPS)

—

1,099.0 GFLOPS (1:32)

FP16 (TFLOPS)

—

70.34 TFLOPS (2:1)

AI/RT

RT Cores

—

54

Matrix Cores

—

108

Power

TDP

254 W

245 W

TDP (W)

254

245 -3.5%

Suggested PSU

600 W

550 W

Power Connectors

2x 8-pin

2x 8-pin

Architecture

Architecture

TeraScale 2

RDNA 3.0

GPU Name

Barts

Navi 32

Codename

—

Wheat Nas

Generation

Northern Islands (HD 6800)

Navi III (RX 7000)

Process Size

40 nm

5 nm

Transistors

1,700 million

28,100 million

Die Size

255 mm²

346 mm²

Foundry

TSMC

TSMC

Density

6.7M / mm²

81.2M / 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

Length

—

267 mm 10.5 inches

Height

—

135 mm 5.3 inches

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Launch Price

—

449 USD

Production

End-of-life

Active

Predecessor

Evergreen

Navi II

Successor

Southern Islands

Navi IV

View Radeon HD 6850 X2 Details View Radeon RX 7700 XT Details