Product Compare

AMD Radeon RX 6700 XT vs AMD Radeon HD 6870 1600SP Edition

GPU GPU
Graphics Card
Release Date Mar 2021 Jan 2013
Generation Navi II Northern Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 2321 MHz
Boost Clock 2581 MHz
Memory Clock 2000 MHz 1050 MHz
Memory
Memory Size 12GB 1024MB
Memory Type GDDR6 GDDR5
Memory Bus 192bit 256bit
Bandwidth 384.0GB/s 134.4GB/s
Render Config
Compute Units 40 20
Shading Units 2560 1600
TMUs 160 80
ROPs 64 32
RT Cores 40
L1 Cache 128 KB per Array 8 KB (per CU)
L2 Cache 3 MB 512 KB
L3 Cache 96 MB
Theoretical Performance
Pixel Rate 165.2 GPixel/s 27.20 GPixel/s
Texture Rate 413.0 GTexel/s 68.00 GTexel/s
FP16 (half) 26.43 TFLOPS
FP32 (float) 13.21 TFLOPS 2.720 TFLOPS
FP64 (double) 825.9 GFLOPS 544.0 GFLOPS
Graphics Processor
GPU Name Navi 22 Cypress
GPU Variant Navi 22 XT(215-127000006) Cypress XT(215-0735033)
Architecture RDNA 2.0 TeraScale 2
Foundry TSMC TSMC
Process Size 7 nm 40 nm
Transistors 17.2 billion 2.154 billion
Die Size 335 mm² 334 mm²
Board Design
TDP 230W 175W
Suggested PSU 550 W 450 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors 1x 6-pin + 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.3 N/A
Shader Model 6.5 5.0