GPU Comparison

A

AMD

RADEON

AMD Radeon HD 6770

CORE STATE Juniper

VRAM 1024 MB

CLOCK SPEED —

TDP 108 W

BUS WIDTH 128 bit

ARCHITECTURE TeraScale 2

nm

PROCESS 40 nm

LAUNCH DATE 2011

VS

A

AMD

RADEON

Radeon RX 6900 XT

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2250 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_opencl

3,802

167,057

3dmark_3dmark_steel_nomad_dx12

N/A

4,079

geekbench_metal

N/A

207,444

geekbench_vulkan

N/A

166,636

passmark_directx_10

N/A

167

passmark_directx_11

N/A

279

passmark_directx_12

N/A

113

passmark_directx_9

N/A

268

passmark_g2d

N/A

1,055

passmark_g3d

N/A

26,732

passmark_gpu_compute

N/A

14,547

DETAILED SPECIFICATIONS

SPECIFICATION

HD 6770

RX 6900 XT

Core Specs

Shading Units

800

5,120 +540.0%

Shaders

800

5,120 +540.0%

TMUs

40

320 +700.0%

ROPs

16

128 +700.0%

Compute Units

10

80 +700.0%

Clocks

Base Clock

—

1825 MHz

Boost Clock

—

2250 MHz

GPU Clock

850 MHz

—

Game Clock

—

2015 MHz

Memory Clock

1200 MHz 4.8 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

1024 MB

16 GB

VRAM (MB)

1,024

16,384 +1500.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

76.80 GB/s

512.0 GB/s

Cache

L1 Cache

8 KB (per CU)

128 KB per Array

L2 Cache

256 KB

4 MB

L3 Cache

—

128 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

13.60 GPixel/s

288.0 GPixel/s

Texture Rate

34.00 GTexel/s

720.0 GTexel/s

FP32 (TFLOPS)

1,360.0 GFLOPS

23.04 TFLOPS

FP64 (TFLOPS)

—

1,440.0 GFLOPS (1:16)

FP16 (TFLOPS)

—

46.08 TFLOPS (2:1)

AI/RT

RT Cores

—

80

Power

TDP

108 W

300 W

TDP (W)

108

300 +177.8%

Suggested PSU

300 W

700 W

Power Connectors

1x 6-pin

2x 8-pin

Architecture

Architecture

TeraScale 2

RDNA 2.0

GPU Name

Juniper

Navi 21

Generation

Northern Islands (HD 6700)

Navi II (RX 6000)

Process Size

40 nm

7 nm

Transistors

1,040 million

26,800 million

Die Size

166 mm²

520 mm²

Foundry

TSMC

TSMC

Density

6.3M / mm²

51.5M / mm²

API Support

DirectX

11.2 (11_0)

12 Ultimate (12_2)

OpenGL

4.4

4.6

Vulkan

—

1.4

OpenCL

1.2

2.1

Shader Model

5.0

6.8

Physical

Slot Width

Dual-slot

Triple-slot

Length

198 mm 7.8 inches

267 mm 10.5 inches

Height

—

120 mm 4.7 inches

Outputs

2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

Bus Interface

PCIe 2.0 x16

PCIe 4.0 x16

Other

Launch Price

129 USD

999 USD

Production

End-of-life

End-of-life

Predecessor

Evergreen

Navi

Successor

Southern Islands

Navi III

View Radeon HD 6770 Details View Radeon RX 6900 XT Details