AMD Radeon HD 8870 OEM vs AMD Radeon RX 9070 GRE 16 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Jan 2025
Generation
Sea Islands
Navi IV
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1200 MHz
2250 MHz
Base Clock
-
1420 MHz
Boost Clock
-
2790 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
576.0GB/s
Render Config
Compute Units
20
48
Shading Units
1280
3072
TMUs
80
192
ROPs
32
96
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
8 MB
RT Cores
-
48
L3 Cache
-
48 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
267.8 GPixel/s
Texture Rate
80.00 GTexel/s
535.7 GTexel/s
FP32 (float)
2.560 TFLOPS
34.28 TFLOPS
FP64 (double)
160.0 GFLOPS
1071.4 GFLOPS
FP16 (half)
-
68.57 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 48
GPU Variant
Pitcairn XT(215-0828047)
Navi 48 XL
Architecture
GCN 1.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
2.8 billion
53.9 billion
Die Size
212 mm²
357 mm²
Board Design
TDP
175W
220W
Suggested PSU
450 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.8