Product Compare

AMD Radeon RX 6700 vs AMD Radeon HD 7870 XT

GPU GPU
Graphics Card
Release Date Jun 2021 Nov 2012
Generation Navi II Southern Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1941 MHz 925 MHz
Boost Clock 2450 MHz 975 MHz
Memory Clock 2000 MHz 1500 MHz
Memory
Memory Size 10GB 2GB
Memory Type GDDR6 GDDR5
Memory Bus 160bit 256bit
Bandwidth 320.0GB/s 192.0GB/s
Render Config
Compute Units 36 24
Shading Units 2304 1536
TMUs 144 96
ROPs 64 32
RT Cores 36
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 3 MB 512 KB
L3 Cache 80 MB
Theoretical Performance
Pixel Rate 156.8 GPixel/s 31.20 GPixel/s
Texture Rate 352.8 GTexel/s 93.60 GTexel/s
FP16 (half) 22.58 TFLOPS
FP32 (float) 11.29 TFLOPS 2.995 TFLOPS
FP64 (double) 705.6 GFLOPS 748.8 GFLOPS
Graphics Processor
GPU Name Navi 22 Tahiti
GPU Variant Navi 22 XTL Tahiti LE(215-0821122)
Architecture RDNA 2.0 GCN 1.0
Foundry TSMC TSMC
Process Size 7 nm 28 nm
Transistors 17.2 billion 4.313 billion
Die Size 335 mm² 352 mm²
Board Design
TDP 175W 185W
Suggested PSU 450 W 450 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.3 1.2
Shader Model 6.5 5.1