AMD Radeon RX 9070 XT vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
Mar 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
1660 MHz
—
Boost Clock
2970 MHz
—
Memory Clock
2518 MHz
1500 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
644.6GB/s
96.00GB/s
Render Config
Compute Units
64
14
Shading Units
4096
896
TMUs
256
56
ROPs
128
16
Tensor Cores
128
—
RT Cores
64
—
L1 Cache
128
16 KB (per CU)
L2 Cache
8 MB
256 KB
L3 Cache
64 MB
—
Theoretical Performance
Pixel Rate
380.2 GPixel/s
16.80 GPixel/s
Texture Rate
760.3 GTexel/s
58.80 GTexel/s
FP16 (half)
97.32 TFLOPS
—
FP32 (float)
48.66 TFLOPS
1.882 TFLOPS
FP64 (double)
1.521 TFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Navi 48
Bonaire
GPU Variant
Navi 48 XTX
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
304W
85W
Suggested PSU
700 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
1.4
1.2
Shader Model
6.8
6.3
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.