AMD Radeon RX 9070 GRE vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
May 2025
Sep 2013
Generation
Navi IV
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1420 MHz
—
Boost Clock
2790 MHz
—
Memory Clock
2250 MHz
1500 MHz
Memory
Memory Size
12GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
96.00GB/s
Render Config
Compute Units
48
14
SM Count
46
—
Shading Units
3072
896
TMUs
192
56
ROPs
96
16
Tensor Cores
96
—
RT Cores
48
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
8 MB
256 KB
L3 Cache
48 MB
—
Theoretical Performance
Pixel Rate
267.8 GPixel/s
16.80 GPixel/s
Texture Rate
535.7 GTexel/s
58.80 GTexel/s
FP16 (half)
68.57 TFLOPS
—
FP32 (float)
34.28 TFLOPS
1.882 TFLOPS
FP64 (double)
1071.4 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Navi 48
Bonaire
GPU Variant
Navi 48 XL
Bonaire XT(215-0839039)
Architecture
RDNA 4.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
53.9 billion
2.08 billion
Die Size
357 mm²
160 mm²
Board Design
TDP
220W
85W
Suggested PSU
550 W
250 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
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
CUDA
12.0
—
Shader Model
6.8
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.