NVIDIA TITAN RTX vs AMD Radeon HD 7990
We compared two Desktop platform GPUs: 24GB VRAM TITAN RTX and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN RTX 's Advantages
Released 5 years and 8 months late
Boost Clock has increased by 77% (1770MHz vs 1000MHz)
More VRAM (24GB vs 3GB)
Larger VRAM bandwidth (672.0GB/s vs 288.0GB/s)
2560 additional rendering cores
Lower TDP (280W vs 375W)
Score
Benchmark
FP32 (float)
TITAN RTX
+298%
16.31 TFLOPS
Radeon HD 7990
4.096 TFLOPS
3DMark Time Spy
TITAN RTX
+567%
15001
Radeon HD 7990
2246
3DMark Time Spy Extreme
TITAN RTX
+633%
7332
Radeon HD 7990
999
Graphics Card
Dec 2018
Release Date
Apr 2013
GeForce 20
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1350 MHz
Base Clock
950 MHz
1770 MHz
Boost Clock
1000 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
24GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
384bit
672.0GB/s
Bandwidth
288.0GB/s
Render Config
-
Compute Units
32
72
SM Count
-
4608
Shading Units
2048
288
TMUs
128
96
ROPs
32
576
Tensor Cores
-
72
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
768 KB
-
-
-
Theoretical Performance
169.9 GPixel/s
Pixel Rate
32.00 GPixel/s
509.8 GTexel/s
Texture Rate
128.0 GTexel/s
32.62 TFLOPS
FP16 (half)
-
16.31 TFLOPS
FP32 (float)
4.096 TFLOPS
509.8 GFLOPS
FP64 (double)
1024 GFLOPS
Board Design
280W
TDP
375W
600 W
Suggested PSU
750 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
4x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
TU102
GPU Name
Malta
TU102-400-A1
GPU Variant
Malta XT
(215-0849026)
Turing
Architecture
GCN 1.0
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
18.6 billion
Transistors
4.313 billion
754 mm²
Die Size
365 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
7.5
CUDA
-
6.6
Shader Model
5.1
