AMD Radeon RX 9070 XT vs AMD Radeon HD 8970 OEM
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Jan 2013
Generation
Navi IV
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1660 MHz
—
Boost Clock
2970 MHz
—
Memory Clock
2518 MHz
1375 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
644.6GB/s
264.0GB/s
Render Config
Compute Units
64
32
Shading Units
4096
2048
TMUs
256
128
ROPs
128
32
Tensor Cores
128
—
RT Cores
64
—
L1 Cache
128
16 KB (per CU)
L2 Cache
8 MB
768 KB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
380.2 GPixel/s
29.60 GPixel/s
Texture Rate
760.3 GTexel/s
118.4 GTexel/s
FP16 (half)
97.32 TFLOPS
—
FP32 (float)
48.66 TFLOPS
3.789 TFLOPS
FP64 (double)
1.521 TFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Navi 48
Tahiti
GPU Variant
Navi 48 XTX
Tahiti XT(215-0821060)
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
250W
Suggested PSU
700 W
600 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-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
Benchmark
3DMark Time Spy
30,445
—
3DMark Time Spy Extreme
14,633
—
3DMark Speed Way
6,403
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.