Intel Arc B770 vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Mar 2011
Generation
Battlemage
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
2100 MHz
-
Boost Clock
2400 MHz
-
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
160.0GB/s
Render Config
Shading Units
4096
1536
TMUs
256
96
ROPs
128
32
RT Cores
32
-
L2 Cache
16 MB
512 KB
Compute Units
-
24
L1 Cache
-
8 KB (per CU)
Theoretical Performance
Pixel Rate
307.2 GPixel/s
26.56 GPixel/s
Texture Rate
614.4 GTexel/s
79.68 GTexel/s
FP16 (half)
39.32 TFLOPS
-
FP32 (float)
19.66 TFLOPS
2.550 TFLOPS
FP64 (double)
2.458 TFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
BMG-G31
Antilles
Architecture
Xe2-HPG
TeraScale 3
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
Unknown
2.64 billion
Die Size
Unknown
389 mm²
GPU Variant
-
Antilles XT(215-0807027)
Board Design
TDP
225W
375W
Suggested PSU
550 W
750 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.4
N/A
Shader Model
6.6
5.0