AMD Radeon RX 7700 XT vs AMD Radeon HD 8770 OEM
GPU · Specs Compare
Graphics Card
Release Date
Aug 2023
Sep 2013
Generation
Navi III
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1435 MHz
—
Boost Clock
2544 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
54
14
Shading Units
3456
896
TMUs
216
56
ROPs
96
16
RT Cores
54
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
256 KB
L3 Cache
48 MB
—
Theoretical Performance
Pixel Rate
244.2 GPixel/s
16.80 GPixel/s
Texture Rate
549.5 GTexel/s
58.80 GTexel/s
FP16 (half)
70.34 TFLOPS
—
FP32 (float)
35.17 TFLOPS
1.882 TFLOPS
FP64 (double)
1099.0 GFLOPS
117.6 GFLOPS
Graphics Processor
GPU Name
Navi 32
Bonaire
GPU Variant
Navi 32 XL(215-180000076)
Bonaire XT(215-0839039)
Architecture
RDNA 3.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
28.1 billion
2.08 billion
Die Size
346 mm²
160 mm²
Board Design
TDP
245W
85W
Suggested PSU
550 W
250 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
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
Shader Model
6.8
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.