Intel Arc B770 vs AMD Radeon HD 7790
GPU · Specs Compare
Graphics Card
Release Date
Jan 2026
Mar 2013
Generation
Battlemage
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2100 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
96.00GB/s
Render Config
Shading Units
4096
896
TMUs
256
56
ROPs
128
16
RT Cores
32
—
L2 Cache
16 MB
256 KB
Compute Units
—
14
L1 Cache
—
16 KB (per CU)
Theoretical Performance
Pixel Rate
307.2 GPixel/s
16.00 GPixel/s
Texture Rate
614.4 GTexel/s
56.00 GTexel/s
FP16 (half)
39.32 TFLOPS
—
FP32 (float)
19.66 TFLOPS
1.792 TFLOPS
FP64 (double)
2.458 TFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
BMG-G31
Bonaire
Architecture
Xe2-HPG
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
Unknown
2.08 billion
Die Size
Unknown
160 mm²
GPU Variant
—
Bonaire XT(215-0839039)
Board Design
TDP
225W
85W
Suggested PSU
550 W
250 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
Shader Model
6.6
6.3
Benchmark
3DMark Time Spy
—
1,307
3DMark Time Spy Extreme
—
409
▲ Specs Compare
Data sourced from official specifications and benchmark tests.