Radeon HD 6990 vs MTT S80
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 16GB VRAM MTT S80 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
MTT S80 's Advantages
Released 12 years and 7 months late
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)
2560 additional rendering cores
Lower TDP (255W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2550
MTT S80
+478%
14750
Graphics Card
Mar 2011
Release Date
Oct 2023
Northern Islands
Generation
MUSA-Chunxiao
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
-
Base Clock
1800 MHz
-
Boost Clock
0 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
448.0GB/s
Render Config
24
Compute Units
32
-
SM Count
1536
Shading Units
4096
96
TMUs
256
32
ROPs
256
-
Tensor Cores
-
RT Cores
8 KB (per CU)
L1 Cache
512 KB
L2 Cache
4 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
460.8 GPixel/s
79.68 GTexel/s
Texture Rate
460.8 GTexel/s
-
FP16 (half)
29.49 TFLOPS
2.550 TFLOPS
FP32 (float)
14.75 TFLOPS
637.4 GFLOPS
FP64 (double)
230.4 GFLOPS
Board Design
375W
TDP
255W
750 W
Suggested PSU
600 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Antilles
GPU Name
MTT Gen 2
Antilles XT
(215-0807027)
GPU Variant
TeraScale 3
Architecture
MUSA-Chunxiao
TSMC
Foundry
TSMC
40 nm
Process Size
12 nm
2.64 billion
Transistors
22 billion
389 mm²
Die Size
Unknown
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.4
-
CUDA
5.0
Shader Model
6.5
