AMD Radeon HD 6990 vs Intel H3C XG310
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM H3C XG310 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 68.26GB/s)
768 additional rendering cores
Intel H3C XG310 's Advantages
Released 9 years and 8 months late
Boost Clock1550MHz
More VRAM (8GB vs 2GB)
Lower TDP (300W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
+7%
2.55 TFLOPS
H3C XG310
2.381 TFLOPS
Graphics Card
Mar 2011
Release Date
Nov 2020
Northern Islands
Generation
H3C Graphics
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1550 MHz
1250 MHz
Memory Clock
2133 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
LPDDR4X
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
68.26GB/s
Render Config
24
Compute Units
-
-
-
-
1536
Shading Units
768
96
TMUs
48
32
ROPs
24
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
37.20 GPixel/s
79.68 GTexel/s
Texture Rate
74.40 GTexel/s
-
FP16 (half)
4.762 TFLOPS
2.550 TFLOPS
FP32 (float)
2.381 TFLOPS
637.4 GFLOPS
FP64 (double)
595.2 GFLOPS
Board Design
375W
TDP
300W
750 W
Suggested PSU
700 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
No outputs
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Antilles
GPU Name
DG1
Antilles XT
(215-0807027)
GPU Variant
-
TeraScale 3
Architecture
Generation 12.1
TSMC
Foundry
Intel
40 nm
Process Size
10 nm
2.64 billion
Transistors
Unknown
389 mm²
Die Size
95 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
-
-
5.0
Shader Model
6.4
