GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
GeForce GTX 980 Ti
CORE STATE
GM200
VRAM
6 GB
CLOCK SPEED
1076 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
GTX 980 Ti
Core Specs
Shading Units
384
2,816
+633.3%
Shaders
384
2,816
+633.3%
TMUs
24
176
+633.3%
ROPs
8
96
+1100.0%
Compute Units
6
—
Clocks
Base Clock
850 MHz
1000 MHz
Boost Clock
900 MHz
1076 MHz
Memory Clock
1000 MHz
4 Gbps effective
1753 MHz
7 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
336.6 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
256 KB
3 MB
Performance
Pixel Rate
7.200 GPixel/s
103.3 GPixel/s
Texture Rate
21.60 GTexel/s
189.4 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
6.060 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
189.4 GFLOPS (1:32)
Power
TDP
—
250 W
TDP (W)
—
250
Suggested PSU
—
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Mars
GM200
Generation
Solar System
(HD 8700M)
GeForce 900
Process Size
28 nm
28 nm
Transistors
950 million
8,000 million
Die Size
77 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.3M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
MXM Module
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
London
GeForce 700
Successor
Gem System
GeForce 10