Product Compare

AMD Radeon RX 9070 XT vs AMD Radeon HD 7870 XT

GPU GPU
Graphics Card
Release Date Mar 2025 Nov 2012
Generation Navi IV Southern Islands
Type Desktop Desktop
Bus Interface PCIe 5.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1660 MHz 925 MHz
Boost Clock 2970 MHz 975 MHz
Memory Clock 2518 MHz 1500 MHz
Memory
Memory Size 16GB 2GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 256bit
Bandwidth 644.6GB/s 192.0GB/s
Render Config
Compute Units 64 24
Shading Units 4096 1536
TMUs 256 96
ROPs 128 32
Tensor Cores 128
RT Cores 64
L1 Cache 128 16 KB (per CU)
L2 Cache 8 MB 512 KB
L3 Cache 64 MB
Theoretical Performance
Pixel Rate 380.2 GPixel/s 31.20 GPixel/s
Texture Rate 760.3 GTexel/s 93.60 GTexel/s
FP16 (half) 97.32 TFLOPS
FP32 (float) 48.66 TFLOPS 2.995 TFLOPS
FP64 (double) 1.521 TFLOPS 748.8 GFLOPS
Graphics Processor
GPU Name Navi 48 Tahiti
GPU Variant Navi 48 XTX Tahiti LE(215-0821122)
Architecture RDNA 4.0 GCN 1.0
Foundry TSMC TSMC
Process Size 4 nm 28 nm
Transistors 53.9 billion 4.313 billion
Die Size 357 mm² 352 mm²
Board Design
TDP 304W 185W
Suggested PSU 700 W 450 W
Outputs 1x HDMI 2.1b3x DisplayPort 2.1a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 2x 8-pin 2x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.2 1.2
Vulkan 1.4 1.2
Shader Model 6.8 5.1