GPU Comparison
RADEON
AMD Instinct MI100
CORE STATE
Arcturus
VRAM
32 GB
CLOCK SPEED
1502 MHz
TDP
300 W
BUS WIDTH
4096 bit
ARCHITECTURE
CDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2020
VS
RADEON
Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Instinct MI100
HD 7970
Core Specs
Shading Units
7,680
2,048
-73.3%
Shaders
7,680
2,048
-73.3%
TMUs
480
128
-73.3%
ROPs
64
32
-50.0%
Compute Units
120
32
-73.3%
Clocks
Base Clock
1000 MHz
—
Boost Clock
1502 MHz
—
GPU Clock
—
925 MHz
Memory Clock
1200 MHz 2.4 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
32 GB
3 GB
VRAM (MB)
32,768
3,072
-90.6%
Memory Type
HBM2
GDDR5
Memory Bus
4096 bit
384 bit
Bandwidth
1.23 TB/s
264.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
8 MB
768 KB
Performance
Pixel Rate
96.13 GPixel/s
29.60 GPixel/s
Texture Rate
721.0 GTexel/s
118.4 GTexel/s
FP32 (TFLOPS)
23.07 TFLOPS
3.789 TFLOPS
FP64 (TFLOPS)
11.54 TFLOPS (1:2)
947.2 GFLOPS (1:4)
FP16 (TFLOPS)
46.14 TFLOPS (2:1)
—
Power
TDP
300 W
250 W
TDP (W)
300
250
-16.7%
Suggested PSU
700 W
600 W
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
CDNA 1.0
GCN 1.0
GPU Name
Arcturus
Tahiti
Generation
Instinct (MIx)
Southern Islands
(HD 7900)
Process Size
7 nm
28 nm
Transistors
25,600 million
4,313 million
Die Size
750 mm²
352 mm²
Foundry
TSMC
TSMC
Density
34.1M / mm²
12.3M / mm²
API Support
DirectX
—
12 (11_1)
OpenGL
—
4.6
Vulkan
—
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
—
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm 10.5 inches
275 mm
10.8 inches
Height
111 mm 4.4 inches
111 mm
4.4 inches
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Other
Launch Price
—
549 USD
Production
End-of-life
End-of-life
Predecessor
Radeon Instinct
Northern Islands
Successor
—
Sea Islands